The KH-2002 Khaybar assault rifle is a recent development of the Iranian Defense Industry Organization; this rifle was first shown in 2004 and is intended to replace the obsolete 7.62 x 51 mm G3 rifles of German origin, which are license-built in Iran since the Shah times. Khaybar KH 2002 assault rifle can be best described as a bullpup conversion of the Iranian S-5.56 rifle, which is a direct copy of the Chinese CQ assault rifle.
Khaybar KH 2002 assault rifle is gas operated, selectively fired rifle of bullpup layout. It uses M16-type direct gas system with multi-lug rotary bolt locking. Polymer pistol grip with enlarged trigger guard is attached below the tubular barrel shroud patterned after the Kepplinger HV-71. Safety / fire selector lever is located at the left side of the receiver, behind magazine housing and away from the pistol grip. Ejection is to the right side only. Feeding system uses M16-compatible magazines, with M16-style magazine release button located on the right side of the magazine housing. Sights are of open type, with rear sight being installed within a carrying handle. Additional equipment includes lightweight folding detachable bipods and knife-bayonet. According to the manufacturer, rifle is available with three styles of barrels: short (carbine), medium (standard rifle) and long (designated marksman rifle).